Home / 151,397.54-208,920.22-83,401.14

Finding the Fourth Proportional to 151,397.54, 208,920.22 and 83,401.14

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Solution

The fourth proportional to 151,397.54, 208,920.22 and 83,401.14 is: 115,088.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,397.54 : 208,920.22 = 83,401.14 : x
  2. Step 2: Convert to fraction form
    151,397.54/208,920.22 = 83,401.14/x
  3. Step 3: Cross multiply
    151,397.54x = 208,920.22 × 83,401.14
  4. Step 4: Simplify right side
    151,397.54x = 17,424,184,517.05
  5. Step 5: Solve for x
    x = 17,424,184,517.05/151,397.54
  6. Step 6: Final answer
    x = 115,088.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.